Automatic detection device for load power of power distribution cabinet

By designing an automatic load power detection device for distribution cabinets including mutual inductance modules, control switches and photodiodes, the problem that the power detection module in the distribution cabinet in the prior art is difficult to meet the safety redundancy needs, and the accurate detection and alarm of the load power of the distribution cabinets is achieved, and safety is enhanced.

CN222653046UActive Publication Date: 2025-03-21SHANDONG ZHONGLIAN ELECTRIC CO LTD
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Patent Information

Application Number
CN202421049552.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-03-21
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The power detection modules in existing distribution cabinets are difficult to meet safety redundancy needs, especially in complex electromagnetic field environments.

Method used

An automatic load power detection device for distribution cabinets is designed, including a mutual inductance module, a rectifier module, a control switch, a light emitting unit, a photodiode, an amplification module, a control module, a power detection module and a communication module. The device collects current information through the mutual inductance module, controls the on-state of the light emitting unit with the control switch, generates optical signals as alarm information, and increases detection accuracy through the power detection module, thereby enhancing safety redundancy.

Benefits of technology

Accurate detection and alarm of the load power of the distribution cabinet is realized, safety redundancy is increased, and the impact of complex electromagnetic fields on detection accuracy is reduced.

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Abstract

The utility model discloses a power distribution cabinet load power automatic detection device, and belongs to the technical field of power detection. A power distribution cabinet load power automatic detection device comprises a mutual inductance module, a rectification module, a control switch, a light emitting unit, a photodiode, an amplification module, a control module, a power detection module and a communication module. The mutual inductance module is electrically connected with a power supply bus in the power distribution cabinet, the mutual inductance module is electrically connected with the rectification module, and the rectification module is connected in series with the control switch and the light-emitting unit; the control module is electrically connected with the control switch, the power detection module, the amplification module and the communication module; the mutual inductance module is arranged to collect the current of the power supply bus in the power distribution cabinet, and the control switch is utilized to control the conduction state of the light emitting unit, so that when the power accessed to the load of the power distribution cabinet is too large, an optical signal is generated as alarm information, and the power detection module is matched to further improve the accuracy of power detection of the load of the power distribution cabinet; and the safety redundancy of the device is increased.
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